Founder.page ↗
Clicks.page ↗Bun
Bun is an incredibly fast all-in-one toolkit for building, installing, running, and testing JavaScript and TypeScript. We were born out of frustration with the fragmented, slow JavaScript ecosystem and are on a mission to make JavaScript development faster and more productive
- Location
- San Francisco, United States
- Founded
- 2019
- Category
- Dev Tools
- Funding
- Acquired
Sources, checked Sep 26, 2026. A fact that is missing is one we could not source, not a zero.
- Summary: the company’s own description, ycombinator.com
- Founders, founding year, location: ycombinator.com
- Backers: ycombinator.com
- Funding: ycombinator.com — “Status: Acquired”
Category is our own classification. Spotted something wrong? Tell us.
Founders of Bun
- Jarred Sumner
Investors backing Bun
- Y Combinator
Frequently asked questions
What does Bun do?
Bun is an incredibly fast all-in-one toolkit for building, installing, running, and testing JavaScript and TypeScript. We were born out of frustration with the fragmented, slow JavaScript ecosystem and are on a mission to make JavaScript development faster and more productive
Where is Bun based?
Bun is based in San Francisco, United States.
When was Bun founded?
Bun was founded in 2019.
How much has Bun raised?
Bun is acquired. We have not verified a funding amount.
Who founded Bun?
Bun was founded by Jarred Sumner.
Who has invested in Bun?
Bun is backed by Y Combinator.